Last modified by Bei Jinggeng on 2025/01/10 15:51
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From version < 43.52 >
edited by Xiaoling
on 2023/05/16 16:10
To version < 43.45 >
edited by Xiaoling
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... ... @@ -41,6 +41,8 @@
41 41  * Downlink to change configure
42 42  * 8500mAh Battery for long term use
43 43  
44 +
45 +
44 44  == 1.3 Specification ==
45 45  
46 46  
... ... @@ -78,6 +78,8 @@
78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
83 +
84 +
81 81  == 1.4 Sleep mode and working mode ==
82 82  
83 83  
... ... @@ -105,6 +105,8 @@
105 105  )))
106 106  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
107 107  
112 +
113 +
108 108  == 1.6 BLE connection ==
109 109  
110 110  
... ... @@ -290,6 +290,8 @@
290 290  1. All modes share the same Payload Explanation from HERE.
291 291  1. By default, the device will send an uplink message every 20 minutes.
292 292  
299 +
300 +
293 293  ==== 2.3.2.1  MOD~=1 (Default Mode) ====
294 294  
295 295  
... ... @@ -611,7 +611,6 @@
611 611  
612 612  [[image:image-20230512180718-8.png||height="538" width="647"]]
613 613  
614 -
615 615  (% style="color:blue" %)**Example**:
616 616  
617 617  If payload is: 0105H:  (0105 & 8000 == 0), temp = 0105H /10 = 26.1 degree
... ... @@ -623,7 +623,6 @@
623 623  
624 624  ==== 2.3.3.3 Digital Input ====
625 625  
626 -
627 627  The digital input for pin PB15,
628 628  
629 629  * When PB15 is high, the bit 1 of payload byte 6 is 1.
... ... @@ -633,14 +633,11 @@
633 633  (((
634 634  When the digital interrupt pin is set to AT+INTMODx=0, this pin is used as a digital input pin.
635 635  
636 -(% style="color:red" %)**Note: The maximum voltage input supports 3.6V.**
637 -
638 -
642 +(% style="color:red" %)**Note:**The maximum voltage input supports 3.6V.
639 639  )))
640 640  
641 641  ==== 2.3.3.4  Analogue Digital Converter (ADC) ====
642 642  
643 -
644 644  The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv.
645 645  
646 646  When the measured output voltage of the sensor is not within the range of 0V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
... ... @@ -647,12 +647,11 @@
647 647  
648 648  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220628150112-1.png?width=285&height=241&rev=1.1||alt="image-20220628150112-1.png" height="241" width="285"]]
649 649  
650 -(% style="color:red" %)**Note: If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.**
653 +(% style="color:red" %)**Note:**If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.
651 651  
652 652  
653 653  ==== 2.3.3.5 Digital Interrupt ====
654 654  
655 -
656 656  Digital Interrupt refers to pin PA8, and there are different trigger methods. When there is a trigger, the SN50v3 will send a packet to the server.
657 657  
658 658  (% style="color:blue" %)** Interrupt connection method:**
... ... @@ -659,7 +659,6 @@
659 659  
660 660  [[image:image-20230513105351-5.png||height="147" width="485"]]
661 661  
662 -
663 663  (% style="color:blue" %)**Example to use with door sensor :**
664 664  
665 665  The door sensor is shown at right. It is a two wire magnetic contact switch used for detecting the open/close status of doors or windows.
... ... @@ -668,9 +668,8 @@
668 668  
669 669  When the two pieces are close to each other, the 2 wire output will be short or open (depending on the type), while if the two pieces are away from each other, the 2 wire output will be the opposite status. So we can use SN50_v3 interrupt interface to detect the status for the door or window.
670 670  
672 +(% style="color:blue" %)** Below is the installation example:**
671 671  
672 -(% style="color:blue" %)**Below is the installation example:**
673 -
674 674  Fix one piece of the magnetic sensor to the door and connect the two pins to SN50_v3 as follows:
675 675  
676 676  * (((
... ... @@ -682,7 +682,7 @@
682 682  
683 683  Install the other piece to the door. Find a place where the two pieces will be close to each other when the door is closed. For this particular magnetic sensor, when the door is closed, the output will be short, and PA8 will be at the VCC voltage.
684 684  
685 -Door sensors have two types: (% style="color:blue" %)** NC (Normal close)**(%%) and (% style="color:blue" %)**NO (normal open)**(%%). The connection for both type sensors are the same. But the decoding for payload are reverse, user need to modify this in the IoT Server decoder.
685 +Door sensors have two types: ** NC (Normal close)** and **NO (normal open)**. The connection for both type sensors are the same. But the decoding for payload are reverse, user need to modify this in the IoT Server decoder.
686 686  
687 687  When door sensor is shorted, there will extra power consumption in the circuit, the extra current is 3v3/R14 = 3v3/1Mohm = 3uA which can be ignored.
688 688  
... ... @@ -700,7 +700,6 @@
700 700  
701 701  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656379339508-835.png?rev=1.1||alt="1656379339508-835.png"]]
702 702  
703 -
704 704  In MOD=1, user can use byte 6 to see the status for door open or close. TTN V3 decoder is as below:
705 705  
706 706  door= (bytes[6] & 0x80)? "CLOSE":"OPEN";
... ... @@ -708,7 +708,6 @@
708 708  
709 709  ==== 2.3.3.6 I2C Interface (SHT20 & SHT31) ====
710 710  
711 -
712 712  The SDA and SCK are I2C interface lines. You can use these to connect to an I2C device and get the sensor data.
713 713  
714 714  We have made an example to show how to use the I2C interface to connect to the SHT20/ SHT31 Temperature and Humidity Sensor.
... ... @@ -737,13 +737,11 @@
737 737  
738 738  ==== 2.3.3.7  ​Distance Reading ====
739 739  
740 -
741 741  Refer [[Ultrasonic Sensor section>>||anchor="H2.3.3.8UltrasonicSensor"]].
742 742  
743 743  
744 744  ==== 2.3.3.8 Ultrasonic Sensor ====
745 745  
746 -
747 747  This Fundamental Principles of this sensor can be found at this link: [[https:~~/~~/wiki.dfrobot.com/Weather_-_proof_Ultrasonic_Sensor_with_Separate_Probe_SKU~~_~~__SEN0208>>url:https://wiki.dfrobot.com/Weather_-_proof_Ultrasonic_Sensor_with_Separate_Probe_SKU___SEN0208]]
748 748  
749 749  The SN50_v3 detects the pulse width of the sensor and converts it to mm output. The accuracy will be within 1 centimeter. The usable range (the distance between the ultrasonic probe and the measured object) is between 24cm and 600cm.
... ... @@ -754,7 +754,6 @@
754 754  
755 755  [[image:image-20230512173903-6.png||height="596" width="715"]]
756 756  
757 -
758 758  Connect to the SN50_v3 and run (% style="color:blue" %)**AT+MOD=2**(%%) to switch to ultrasonic mode (ULT).
759 759  
760 760  The ultrasonic sensor uses the 8^^th^^ and 9^^th^^ byte for the measurement value.
... ... @@ -764,15 +764,14 @@
764 764  Distance:  Read: 0C2D(Hex) = 3117(D)  Value:  3117 mm=311.7 cm
765 765  
766 766  
762 +
767 767  ==== 2.3.3.9  Battery Output - BAT pin ====
768 768  
769 -
770 770  The BAT pin of SN50v3 is connected to the Battery directly. If users want to use BAT pin to power an external sensor. User need to make sure the external sensor is of low power consumption. Because the BAT pin is always open. If the external sensor is of high power consumption. the battery of SN50v3-LB will run out very soon.
771 771  
772 772  
773 773  ==== 2.3.3.10  +5V Output ====
774 774  
775 -
776 776  SN50v3 will enable +5V output before all sampling and disable the +5v after all sampling. 
777 777  
778 778  The 5V output time can be controlled by AT Command.
... ... @@ -784,20 +784,18 @@
784 784  By default the AT+5VT=500. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
785 785  
786 786  
781 +
787 787  ==== 2.3.3.11  BH1750 Illumination Sensor ====
788 788  
789 -
790 790  MOD=1 support this sensor. The sensor value is in the 8^^th^^ and 9^^th^^ bytes.
791 791  
792 792  [[image:image-20230512172447-4.png||height="416" width="712"]]
793 793  
794 -
795 795  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220628110012-12.png?rev=1.1||alt="image-20220628110012-12.png" height="361" width="953"]]
796 796  
797 797  
798 798  ==== 2.3.3.12  Working MOD ====
799 799  
800 -
801 801  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
802 802  
803 803  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -815,7 +815,6 @@
815 815  * 8: MOD9
816 816  
817 817  
818 -
819 819  == 2.4 Payload Decoder file ==
820 820  
821 821  
... ... @@ -826,6 +826,7 @@
826 826  [[https:~~/~~/github.com/dragino/dragino-end-node-decoder/tree/main/SN50_v3-LB>>https://github.com/dragino/dragino-end-node-decoder/tree/main/SN50_v3-LB]]
827 827  
828 828  
820 +
829 829  == 2.5 Frequency Plans ==
830 830  
831 831  
... ... @@ -845,8 +845,6 @@
845 845  * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
846 846  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
847 847  
848 -
849 -
850 850  == 3.2 General Commands ==
851 851  
852 852  
... ... @@ -868,7 +868,6 @@
868 868  
869 869  === 3.3.1 Set Transmit Interval Time ===
870 870  
871 -
872 872  Feature: Change LoRaWAN End Node Transmit Interval.
873 873  
874 874  (% style="color:blue" %)**AT Command: AT+TDC**
... ... @@ -895,10 +895,8 @@
895 895  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
896 896  
897 897  
898 -
899 899  === 3.3.2 Get Device Status ===
900 900  
901 -
902 902  Send a LoRaWAN downlink to ask the device to send its status.
903 903  
904 904  (% style="color:blue" %)**Downlink Payload:  **(%%)0x26 01
... ... @@ -908,7 +908,6 @@
908 908  
909 909  === 3.3.3 Set Interrupt Mode ===
910 910  
911 -
912 912  Feature, Set Interrupt mode for GPIO_EXIT.
913 913  
914 914  (% style="color:blue" %)**AT Command: AT+INTMOD1，AT+INTMOD2，AT+INTMOD3**
... ... @@ -946,10 +946,8 @@
946 946  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
947 947  
948 948  
949 -
950 950  === 3.3.4 Set Power Output Duration ===
951 951  
952 -
953 953  Control the output duration 5V . Before each sampling, device will
954 954  
955 955  ~1. first enable the power output to external sensor,
... ... @@ -980,10 +980,8 @@
980 980  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
981 981  
982 982  
983 -
984 984  === 3.3.5 Set Weighing parameters ===
985 985  
986 -
987 987  Feature: Working mode 5 is effective, weight initialization and weight factor setting of HX711.
988 988  
989 989  (% style="color:blue" %)**AT Command: AT+WEIGRE,AT+WEIGAP**
... ... @@ -1007,10 +1007,8 @@
1007 1007  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1008 1008  
1009 1009  
1010 -
1011 1011  === 3.3.6 Set Digital pulse count value ===
1012 1012  
1013 -
1014 1014  Feature: Set the pulse count value.
1015 1015  
1016 1016  Count 1 is PA8 pin of mode 6 and mode 9. Count 2 is PA4 pin of mode 9.
... ... @@ -1032,10 +1032,8 @@
1032 1032  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1033 1033  
1034 1034  
1035 -
1036 1036  === 3.3.7 Set Workmode ===
1037 1037  
1038 -
1039 1039  Feature: Switch working mode.
1040 1040  
1041 1041  (% style="color:blue" %)**AT Command: AT+MOD**
... ... @@ -1058,7 +1058,6 @@
1058 1058  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1059 1059  
1060 1060  
1061 -
1062 1062  = 4. Battery & Power Consumption =
1063 1063  
1064 1064  
... ... @@ -1085,18 +1085,13 @@
1085 1085  * (Recommanded way) OTA firmware update via wireless:   [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
1086 1086  * Update through UART TTL interface.**[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
1087 1087  
1088 -
1089 -
1090 1090  = 6. FAQ =
1091 1091  
1092 1092  == 6.1 Where can i find source code of SN50v3-LB? ==
1093 1093  
1094 -
1095 1095  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1096 1096  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1097 1097  
1098 -
1099 -
1100 1100  = 7. Order Info =
1101 1101  
1102 1102  
... ... @@ -1120,11 +1120,8 @@
1120 1120  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1121 1121  * (% style="color:red" %)**NH**(%%): No Hole
1122 1122  
1123 -
1124 -
1125 1125  = 8. ​Packing Info =
1126 1126  
1127 -
1128 1128  (% style="color:#037691" %)**Package Includes**:
1129 1129  
1130 1130  * SN50v3-LB LoRaWAN Generic Node
... ... @@ -1136,8 +1136,6 @@
1136 1136  * Package Size / pcs : cm
1137 1137  * Weight / pcs : g
1138 1138  
1139 -
1140 -
1141 1141  = 9. Support =
1142 1142  
1143 1143  

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